name: PR Docker Compose Healthcheck

# Verify docker-compose.yml healthcheck config works correctly in Alpine containers
on:
  pull_request:
    branches:
      - main
      - dev
    paths:
      - 'docker-compose.yml'
      - 'docker/Dockerfile.backend'
      - 'docker/Dockerfile.frontend'
      - '.github/workflows/pr-docker-compose-healthcheck.yml'

jobs:
  healthcheck-test:
    name: Test Docker Compose Healthcheck
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    permissions:
      contents: read

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Create minimal .env for testing
        run: |
          cat > .env <<EOF
          # Minimal config for healthcheck testing
          NOFX_BACKEND_PORT=8080
          NOFX_FRONTEND_PORT=3000
          NOFX_TIMEZONE=UTC
          DATA_ENCRYPTION_KEY=test-key-32-chars-minimum-length
          JWT_SECRET=test-jwt-secret-minimum-32-chars
          EOF

      - name: Create minimal config.json
        run: |
          cat > config.json <<EOF
          {
            "ai_models": [],
            "exchanges": [],
            "traders": []
          }
          EOF

      - name: Start services with docker compose
        run: |
          docker compose up -d
          echo "✅ Services started, waiting for healthcheck..."

      - name: Wait for healthcheck start_period
        run: |
          echo "⏳ Waiting 70 seconds for healthcheck start_period to complete..."
          sleep 70

      - name: Verify backend healthcheck
        run: |
          echo "🔍 Checking backend container health..."

          BACKEND_HEALTH=$(docker inspect nofx-trading --format='{{.State.Health.Status}}')
          echo "Backend health status: $BACKEND_HEALTH"

          if [ "$BACKEND_HEALTH" != "healthy" ]; then
            echo "❌ Backend container is not healthy!"
            echo "Health status: $BACKEND_HEALTH"
            echo ""
            echo "Health logs:"
            docker inspect nofx-trading --format='{{json .State.Health}}' | jq
            echo ""
            echo "Container logs:"
            docker logs nofx-trading
            exit 1
          fi

          echo "✅ Backend container is healthy"

      - name: Verify frontend healthcheck
        run: |
          echo "🔍 Checking frontend container health..."

          FRONTEND_HEALTH=$(docker inspect nofx-frontend --format='{{.State.Health.Status}}')
          echo "Frontend health status: $FRONTEND_HEALTH"

          if [ "$FRONTEND_HEALTH" != "healthy" ]; then
            echo "❌ Frontend container is not healthy!"
            echo "Health status: $FRONTEND_HEALTH"
            echo ""
            echo "Health logs:"
            docker inspect nofx-frontend --format='{{json .State.Health}}' | jq
            echo ""
            echo "Container logs:"
            docker logs nofx-frontend
            exit 1
          fi

          echo "✅ Frontend container is healthy"

      - name: Verify healthcheck commands are Alpine-compatible
        run: |
          echo "🔍 Verifying healthcheck commands use Alpine-compatible tools..."

          # Check that docker-compose.yml uses wget (not curl)
          if grep -q 'test:.*curl' docker-compose.yml; then
            echo "❌ ERROR: docker-compose.yml uses 'curl' which doesn't exist in Alpine!"
            echo ""
            echo "Alpine Linux (used by our containers) includes 'wget' but not 'curl'."
            echo "Please use 'wget --no-verbose --tries=1 --spider' instead."
            exit 1
          fi

          if ! grep -q 'test:.*wget' docker-compose.yml; then
            echo "⚠️  WARNING: No wget healthcheck found in docker-compose.yml"
          else
            echo "✅ Healthcheck uses Alpine-compatible 'wget' command"
          fi

      - name: Test healthcheck commands inside containers
        run: |
          echo "🧪 Testing healthcheck commands directly..."

          # Test backend healthcheck command
          echo "Testing backend healthcheck..."
          docker exec nofx-trading wget --no-verbose --tries=1 --spider http://localhost:8080/api/health
          echo "✅ Backend healthcheck command works"

          # Test frontend healthcheck command
          echo "Testing frontend healthcheck..."
          docker exec nofx-frontend wget --no-verbose --tries=1 --spider http://127.0.0.1/health
          echo "✅ Frontend healthcheck command works"

      - name: Show container status
        if: always()
        run: |
          echo "📊 Final container status:"
          docker ps --format "table {{.Names}}\t{{.Status}}"

      - name: Show logs on failure
        if: failure()
        run: |
          echo "📋 Backend logs:"
          docker logs nofx-trading
          echo ""
          echo "📋 Frontend logs:"
          docker logs nofx-frontend

      - name: Cleanup
        if: always()
        run: |
          docker compose down -v
          rm -f .env config.json